Marianapolis Preparatory School Photo - St. Albert's, a girls dormitory

Best Windham County Private Schools (2026)

For the 2026 school year, there are 12 private schools serving 1,011 students in Windham County, CT (there are 41 public schools, serving 15,225 public students). 6% of all K-12 students in Windham County, CT are educated in private schools (compared to the CT state average of 12%).
The top-ranked private schools in Windham County, CT include TLC Rolling Ridge, Marianapolis Preparatory School, and St. James School.
The average acceptance rate is 85%, which is higher than the Connecticut private school average acceptance rate of 71%.
38% of private schools in Windham County, CT are religiously affiliated (most commonly Catholic and Other).

Top-Ranked Windham County Private Schools (2026)

School
Location
Quick Facts
Rectory School
Rectory School Photo - Rectory School, nestled on 138 acres in Pomfret, Connecticut, is a distinguished K-9 private institution renowned as a "Junior Boarding School." Offering both 5-day and 7-day boarding options for students in grades 5-9, Rectory ensures a comprehensive educational experience.
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Gr: K-9 Avg. class size: 10 students Sports: 23 | Extracurrculars: 27 Tuition listed
Marianapolis Preparatory School
Marianapolis Preparatory School Photo
(Catholic)
26 Chase Road
Thompson, CT 06277
(860) 923-9245
Gr: 9-12 Avg. class size: 15 students Sports: 16 | Extracurrculars: 34 Tuition listed
Pomfret School
Pomfret School Photo
398 Pomfret St
Pomfret, CT 06258
(860) 963-6147
Gr: 9-12 | 358 students Avg. class size: 11 students Sports: 18 Tuition listed
St. James School
(Catholic)
120 Water Street
Danielson, CT 06239
(860) 774-3281
Gr: PK-8 | 202 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 3 Tuition & acceptance rate listed
TLC Rolling Ridge
TLC Rolling Ridge Photo
Special Education School
Rt. 169
Brooklyn, CT 06234
(860) 774-5619
Gr: K-12 | 27 students Avg. class size: 5 students
Maranatha Sda Regional School
(Seventh Day Adventist)
126 Quarry St
Willimantic, CT 06226
(860) 456-4984
Gr: 3-9 | 9 students
Ms. Phelps' Preparatory School
All-girls | Special Program Emphasis
41 Newport Road
Oneco, CT 06373
(860) 771-8565
Gr: 9-12 Avg. class size: 10 students Sports: 2 | Extracurrculars: 6 Tuition & acceptance rate listed
Northeast Cdt
Special Education School
934 N Main St
Danielson, CT 62391
(860) 779-2101
Gr: 7-12 | 18 students
18 Maple Street
Putnam, CT 06260
(860) 928-5010
Gr: 9-12 | 120 students Tuition listed
River Run Academy At The Susan Wayne Center Of Excel
Special Education School
75 Church St
Thompson, CT 06277
(860) 928-5900
Gr: 6-12 | 32 students
St. Mary St.. Joseph School
(Catholic)
35 Valley St
Willimantic, CT 06226
(860) 423-8479
Gr: PK-8 | 111 students
Windham Cdt
Special Education School
345 Jackson St
Willimantic, CT 06226
(860) 456-1311
Gr: K-12 | 104 students
[+] Show Closed Private Schools in Windham County, Connecticut

Windham County Private Schools (Closed)

School
Location
Quick Facts
120 Prospect Street
Moosup, CT 06354
(860) 564-3476
Gr: PK-8 | 216 students
23 Marshall St
Putnam, CT 06260
(860) 928-7046
Gr: K-9 | 154 students

Overview

This County (Windham County)
This State (CT)
# Schools
13 Schools

Student Body:

# Students
1,011 Students
64,262 Students
% Average Students of Color
29%
31%

Academics and Faculty:

# Teachers
272 Teachers
7,938 Teachers
Average Student-Teacher Ratio
6:1
8:1
% Average Faculty w/Advanced Degree
70%
70%
Average Class Size
12 students
14 students
Average Number of AP Courses
21 courses
16 courses
Average SAT score
1190
(Out of 1600)
1247

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$32,622
$28,433
Average Summer Program Cost
$5,550
$4,239
Average % on Financial Aid
45%
36%
Average Financial Aid Grant
$750
$17,051
Average Acceptance Rate
85%
71%
Average Endowment Size
$26 million
$59.94 million

Students by Ethnicity:

0.48
0.63
# American Indian Students
10 Students
716 Students
% American Indian Students
1%
1%
# Asian Students
146 Students
2,908 Students
% Asian Students
10%
5%
# Hispanic Students
122 Students
5,564 Students
% Hispanic Students
8%
9%
# Black Students
111 Students
4,896 Students
% Black Students
7%
8%
# White Students
1,067 Students
35,016 Students
% White Students
70%
56%
# Hawaiian Students
n/a
63 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
56 Students
12,804 Students
% of Others Students
4%
21%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
18 extracurriculars
13 extracurriculars
Average Number of Sports
13 sports
10 sports

Frequently Asked Questions

What are the top-ranked private schools in Windham County, CT?
The top-ranked private schools in Windham County, CT include TLC Rolling Ridge, Marianapolis Preparatory School, and St. James School.
How many private schools are located in Windham County?
12 private schools are located in Windham County.
How diverse are private schools in Windham County?
Windham County private schools are approximately 29% minority students, which is lower than the Connecticut private school average of 31%.
What percentage of students in Windham County go to private school?
6% of all K-12 students in Windham County are educated in private schools (compared to the CT state average of 12%).
What percentage of private schools are religiously affiliated in Windham County?
38% of private schools in Windham County are religiously affiliated (most commonly Catholic and Other).
Which private schools in Windham County are often viewed compared to one another?

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